Question about IBM ThinkPad T20 2647 Notebook

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Error 0175 bad crc1

During the post the laptop beep twice and display error 0175 bad crc1 stop post task and then ask you to press f1 or f12 and hang up

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Numeric error codes - ThinkPad General From IBM Web Site
Notes:
· The most likely cause is listed first.
· A numeric error is displayed for each error detected in POST or system operation.
· In the displays, n can be any number

Error code
Symptom or error

Field replaceable unit or action, in sequence
0175









Bad CRC1, stop POST task. The EEPROM checksum is not correct


This problem you may not be able to fix. There are a couple of things you can try.
1st Keep on rebooting your laptop until this error goes away.
2nd Replace the BIOS battery, it maybe nearly worn out. After replacement you need to go into the BIOS setting to set the Date & Time.
System board








Posted on May 16, 2009

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1 Answer

Error 0175: Bad CRC1, stop post task


Hi,

ERROR
0175: BAD CRC1, STOP POST TASK.

Firstly, this error is generated due to a couple of different reasons. First, there may actually be a problem with the power circuitry and the CRC function is actually doing it's job reporting the error. There are several tests you can perform to tell if this is the case with your system.

Secondly, this bad CRC error can be generated by sudden power loss to the system, especially if the system loses power during boot up or POST process. Both mean that there could be a problem with the motherboard and it needs replacing.

Try the steps below to determine what is wrong.

1) Start the system and watch the status lights in the LCD hinge or near the power button. They should flash once (some models twice) before the system shows a display. If they flash 3 times or more, you have a power problem.

2) Start the system and allow it to reach the CRC "stop post task" error message. Let it sit at this error for several hours. The system should sit at this error for ever or until user intervention occurs.

3) Some things to watch for while the system is sitting at the CRC error and running for several hours would be: Screen going black, System rebooting, System powering off, ect.. ect.. ANY activity by the system is a warning that power problems exist in the system.

4) Try restarting the system several times consecutively, shut the system down by holding the power button for 5 seconds, then restart keeping an eye on the status lights for any additional flickers.
All the above tests should be done with AC power applied and battery installed. Also ALL drives installed.



Regards.

Jan 19, 2011 | IBM ThinkPad T23 2647 Notebook

1 Answer

ERROR 0175: bad crc1, stop post task


0175: bad crc1, stop post task ,ibm t20

Jan 16, 2011 | IBM ThinkPad T20 2647 Notebook

2 Answers

ERROR 0175: Bad CRC1, stop POST task message Been using my IBM a30 laptop for some months but was surprised to get this error when i tried putting it on this message pops up ERROR 0175:BAD CRC1 STOP POST...


You obviously didn't read the problem carefully. The machine won't boot, so there is no command line. I have the same problem with a T23. It might be the CMOS battery that needs to be replaced.

Jan 11, 2010 | IBM ThinkPad A30 Notebook

2 Answers

MY laptop beep twice and flag error code Bad CRC1, stop POST task


Hi,

sounds as if one of your memory modules is defect.
CRC stands for Cyclic Redundancy Check and is a form of checking the memory.
If you have two modules inside, take on out and see what happens.

Best regards
Manfred

Dec 07, 2009 | IBM ThinkPad T20 2647 Notebook

3 Answers

Post problem


If it beeps (which it should) means that some device did not pass post. Find your motherboard online and look up the beep codes. This should help you to discover the problem. I hope this helps!

Jul 15, 2009 | IBM ThinkPad A21m 2628 Notebook

2 Answers

0175: bad crc1, stop post task, system bios shadowed


Go on tis forum and post your problem. There is also the Lenovo forum. I have a T23 and haven't seen this error before. These Forums are very good for information on your laptop.

http://forum.thinkpads.com/viewforum.php?f=28

http://forums.lenovo.com/lnv/board?board.id=T_Series_Thinkpads

Oct 02, 2008 | IBM ThinkPad T20 2647 Notebook

1 Answer

While booting error " bios shadowed " & 0175: bad crc1, stop post task


sounds like cmos battery flat small battery inside pc to retain cmos setting when pc switched off

Oct 02, 2008 | IBM ThinkPad T20 2647 Notebook

1 Answer

Cannt get normal logon screen


i think your hard disk had be dsectors
try to boot your system with win xp bootable disk
then go to trecovery console
then run
chkdsk /r
comamnd at recovery console
followthe instruction

Sep 30, 2008 | IBM ThinkPad T22 2647 Notebook

1 Answer

Stop POST task, bad CRC1 error 0175


There are a couple of possibilities, go to this link for the solutions, but it could be a bad power supply http://www.hardwareanalysis.com/content/topic/31761/

Aug 07, 2007 | IBM ThinkPad A21e 2628 Notebook

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